Magnetic field is a region around a magnet where magnetic influence is experienced or felt. It is also a region […]
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1. Moving-Coil Galvanometer Components of a Moving-Coil Galvanometer A rectangular coil with many turns. A powerful magnetic field between the curved […]
The below rules govern the direction of the magnetic field round the current-carrying conductors. 1. Maxwell: If a right handed cork […]
The wheatstone bridge is one of the most accurate methods of measuring resistance. It consists of four resistors of resistance […]
Continuous charges are also called current (or moving electrons). They are produced by a device called ‘a cell’. Types of […]
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Kepler’s Laws
Johannes Kepler in his working with data together with Tycho Brahe, put forth three laws which described the motion of […]
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Radioactive decay
Radioactive decay is the spontaneous radioactive disintegration of an atomic nucleus, resulting in the release of energy. Some atoms are […]
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Conduction of electricity in gases
Electrons: When a high tension discharge passes between electrodes sealed into a partially evacuated vessel, the gas becomes luminous showing a series […]
Embedded in an atom which consists of a nucleus that is positively charged and which revolves round the orbit is […]
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Franck-Hertz Experiment
The discreteness of atomic energy levels was first shown directly in the Franck-Hertz experiment. This experiment is one of the […]